<%= smart_listing_controls_for(:listings, {class: "form-inline text-right"}) do %>
  <%= text_field_tag :filter, '', class: "search form-control", placeholder: t("Search..."), autocomplete: :off %>

  <button class="btn btn-primary disabled" type="submit">
    Search
  </button>
<% end %>
<div id="this_is_the_index">TAG</div>
<%= smart_listing_render(:listings) %>